CN104675413A - Tunnel segment rounder and using method thereof - Google Patents
Tunnel segment rounder and using method thereof Download PDFInfo
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- CN104675413A CN104675413A CN201510086303.4A CN201510086303A CN104675413A CN 104675413 A CN104675413 A CN 104675413A CN 201510086303 A CN201510086303 A CN 201510086303A CN 104675413 A CN104675413 A CN 104675413A
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- rounding device
- rounder
- rounding
- arc
- jurisdiction
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel segment rounder and a using method thereof. The tunnel segment rounder comprises a plurality of rounder components, wherein each rounder component comprises a rounder arc-shaped plate, a rounder reinforcing rib is arranged on the rounder arc-shaped plate, and a pre-pressure applying device is connected to the rounder reinforcing rib; an outward bulge is formed in the middle part of one end of each rounder arc-shaped plate, an inward groove is formed in the middle part of the other end of each rounder arc-shaped plate, and the bulges and the grooves of the adjacent rounder components are buckled; the rounder components form a circular structure which is matched with the inner wall of a tube sheet. The using method comprises the following steps: firstly, mounting an outer ring structure of the rounder; then, mounting hydraulic power devices on joints of adjacent outer rings of the rounder; thirdly, controlling each hydraulic power device to apply different pressures to achieve a rounding effect; finally, reinforcing and maintaining the tube sheet after rounding the tube sheet, and dismounting the rounder after completing the processing. The tunnel segment rounder has the beneficial effects of solving problems of dislocation and deformation rounding of the tube sheet during a metro operation period, is simple and flexible in construction process.
Description
Technical field
The invention belongs to construction engineering technical field, be specifically related to a kind of tunnel duct piece rounding device and using method thereof.
Background technology
The peak period built of subway transportation having welcome at home in recent years, along with the growth of the city underground shield tunnel operation time limit, domestic a few cities subway tunnel structure the surrounding enviroment such as to enrich by the preloading on ground, periphery excavation of foundation pit, underground water source and affects subway segment and occurred uneven distortion, lose original structure shape, for later stage strengthen maintenance brings unnecessary trouble.
At present for the section of jurisdiction faulting of slab ends, the metaboly that occur in work progress, general employing carries out full circle process with the rounding device of shield machine one to subway segment.Because shield machine build is huge, cost is high, so this processing method can not be applied to subway segment faulting of slab ends, the distortion of appearance during runing.
Summary of the invention
The object of the invention is, for overcoming above-mentioned the deficiencies in the prior art, to provide a kind of section of jurisdiction rounding device, full circle process can be carried out to the problem such as faulting of slab ends, distortion that subway segment during operation occurs, and method is simple.
For achieving the above object, the present invention adopts following technical proposals:
A kind of tunnel duct piece rounding device, comprise multiple rounding device assembly, described rounding device assembly comprises rounding device curved roof, described rounding device curved roof is provided with rounding device stiffening rib, described rounding device stiffening rib is connected with precompression bringing device, and the stiffening rib of adjacent rounding device assembly is connected by described precompression bringing device; Be provided with outside projection in the middle part of one end of described rounding device curved roof, be provided with inside groove in the middle part of the other end of rounding device curved roof, projection and the groove of adjacent rounding device assembly fasten; Multiple rounding device assembly forms circular configuration, matches with section of jurisdiction inwall.
Described precompression bringing device is shaft-like hydraulic jack.
Described rounding device stiffening rib is arranged on rounding device curved roof along the arc direction of rounding device curved roof.
Described rounding device curved roof both sides are equipped with rounding device stiffening rib.Can install two hydraulic means, jacking force is large, effective.
The vertical sectional shape of described projection and groove is circular arc, is convenient in full circle process, the rotational deformation of rounding device assembly.
Described rounding device curved roof is made up of encased steel plate and inside stuffing, can weight reduction, reduce cost.
The using method of tunnel duct piece rounding device, comprises the following steps:
The first step: need the position of full circle to process to section of jurisdiction;
Second step: install rounding device assembly, the projection between rounding device assembly and groove fasten, and are connected by pin, temporary fixed;
3rd step: spaced set fixed observer point on rounding device stiffening rib, displacement monitoring changes;
4th step: according to designing requirement, rounding device is installed precompression bringing device;
5th step: according to designing requirement, applies different pressure to precompression bringing device, and Real-Time Monitoring change in displacement situation;
6th step: according to monitoring result, when section of jurisdiction returns to the distortion of designing requirement, keeps precompression bringing device pressure;
7th step: to needing the position reinforced to carry out consolidation process, noting the deformation simultaneously will monitoring section of jurisdiction in reinforcing process, adjusting hydraulic jack hydraulic coupling at any time, makes section of jurisdiction keep stable;
8th step: reinforced, reaches after designing requirement intensity until ruggedized construction, removes rounding device structure.
Processing procedure in the described first step, comprises cleaning breaking concrete, dead-end fracture, carries out injecting treatment to cavity after wall.
The detailed process of described 4th step is, precompression bringing device is arranged on the rounding device stiffening rib of two adjacent rounding device assemblies, by the flexible shape controlling rounding device of precompression bringing device, and then by rounding device pushing tow section of jurisdiction inner surface, make the section of jurisdiction restoration designing requirement of distortion.
Beneficial effect of the present invention is:
1, the problem of metro operation phase section of jurisdiction faulting of slab ends, distortion full circle is solved.
2, equipment is simple, drops into the low cost reducing tunnel duct piece full circle.
3, device assembles is easy, obviously can shorten the construction period.
4, rounding device is made up of several rounding device assembly, and rounding device assembly is identical structure, industrialization can produce, can change the rounding device assembly gone wrong easily.
Accompanying drawing explanation
Fig. 1 is the side view of rounding device assembly of the present invention;
Fig. 2 is the elevation cross-sectional view of rounding device assembly of the present invention;
Fig. 3 is A-A sectional drawing in Fig. 2;
Fig. 4 is B-B sectional drawing in Fig. 2;
Fig. 5 is C-C sectional drawing in Fig. 2;
Fig. 6 is D-D sectional drawing in Fig. 2;
Fig. 7 is E-E sectional drawing in Fig. 2;
Fig. 8 is the longitudinal sectional view connected between rounding device assembly of the present invention;
Fig. 9 is the longitudinal sectional view connected between rounding device assembly after the present invention installs hydraulic jack;
Figure 10 (a)-10 (b) is rounding device construction way figure of the present invention; Wherein Figure 10 (a) is the generalized section after rounding device assembly of the present invention installation, and Figure 10 (b) is the generalized section after hydraulic jack installation of the present invention;
In figure, the former section of jurisdiction of 1-; 2-rounding device; 2-1 is rounding device arc; 2-2 is rounding device stiffening rib; 2-3 is hydraulic jack installing hole; 2-4 is rounding device assembly connecting hole; 3-rounding device assembly connects pin; 4-hydraulic jack.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Fig. 1-Fig. 7, section of jurisdiction rounding device, comprise multiple rounding device assembly, rounding device assembly comprises rounding device arc 2-1, rounding device stiffening rib 2-2 is arranged on rounding device arc 2-1 along the arc direction of rounding device arc 2-1, rounding device arc, 2-1 both sides are equipped with rounding device stiffening rib 2-2.Rounding device stiffening rib is connected with shaft-like hydraulic jack 4, the rounding device stiffening rib 2-2 of adjacent rounding device assembly is connected by hydraulic jack 4; Be provided with outside projection in the middle part of one end of rounding device arc 2-1, be provided with inside groove in the middle part of the other end of rounding device arc 2-1, projection and the groove of adjacent rounding device assembly fasten; Multiple rounding device assembly forms circular configuration, matches with section of jurisdiction inwall.
Vertical sectional shape that is protruding and groove is circular arc.Rounding device arc 2-1 is made up of encased steel plate and inside stuffing.
As shown in Figure 8, join end to end between the rounding device assembly of rounding device 2 and connect, fastened by protruding and groove, and connect pin 3 through the rounding device assembly connecting hole 2-4 on protruding and groove by rounding device assembly, two rounding device assemblies are fixedly connected with.
As shown in Figure 9, after being fixedly connected with between the rounding device assembly of rounding device 2, hydraulic jack 4 is arranged on the hydraulic jack installing hole 2-3 of the rounding device stiffening rib 2-2 of two adjacent rounding device assemblies.
As shown in Figure 10 (a)-10 (b), the construction method of segment inside tunnel rounding device is as follows:
The first step: need the position of full circle to process to section of jurisdiction, comprises cleaning breaking concrete, dead-end fracture, carries out injecting treatment to cavity after wall;
Second step: install rounding device assembly, rounding device assembly connects pin 3 by rounding device assembly and connects, and temporary fixed;
3rd step: spaced set fixed observer point on rounding device stiffening rib, displacement monitoring changes;
4th step: according to designing requirement, rounding device is installed shaft-like hydraulic jack 4;
Hydraulic jack 4 is arranged on the rounding device stiffening rib 2-2 of two adjacent rounding device assemblies, by the flexible shape controlling rounding device of hydraulic jack 4, and then by rounding device pushing tow section of jurisdiction inner surface, makes the section of jurisdiction restoration designing requirement of distortion;
5th step: according to designing requirement, applies different pressure to hydraulic jack 4, and Real-Time Monitoring change in displacement situation;
6th step: according to monitoring result, when section of jurisdiction returns to the distortion of designing requirement, keeps hydraulic jack 4 pressure;
7th step: to needing the position reinforced to carry out consolidation process, noting the deformation simultaneously will monitoring section of jurisdiction in reinforcing process, adjusting hydraulic jack 4 hydraulic coupling at any time, makes section of jurisdiction keep stable;
8th step: after having reinforced, reaches after intensity until ruggedized construction, removes rounding device structure.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. a tunnel duct piece rounding device, is characterized in that, comprises multiple rounding device assembly, and described rounding device assembly comprises rounding device curved roof, and described rounding device curved roof is provided with rounding device stiffening rib, and described rounding device stiffening rib is connected with precompression bringing device; Be provided with outside projection in the middle part of one end of described rounding device curved roof, be provided with inside groove in the middle part of the other end of rounding device curved roof, projection and the groove of adjacent rounding device assembly fasten; Multiple rounding device assembly forms circular configuration, matches with section of jurisdiction inwall.
2. tunnel duct piece rounding device as claimed in claim 1, it is characterized in that, described precompression bringing device is shaft-like hydraulic jack.
3. tunnel duct piece rounding device as claimed in claim 1, it is characterized in that, described rounding device stiffening rib is arranged on rounding device arc along the arc direction of rounding device arc.
4. tunnel duct piece rounding device as claimed in claim 1, it is characterized in that, described rounding device arc both sides are equipped with rounding device stiffening rib.
5. tunnel duct piece rounding device as claimed in claim 1, it is characterized in that, the vertical sectional shape of described projection and groove is circular arc.
6. tunnel duct piece rounding device as claimed in claim 1, it is characterized in that, described rounding device arc is made up of encased steel plate and inside stuffing.
7. tunnel duct piece rounding device as claimed in claim 1, it is characterized in that, the stiffening rib of adjacent rounding device assembly is connected by described precompression bringing device.
8. utilize the using method of tunnel duct piece rounding device as claimed in claim 1, it is characterized in that, comprise the following steps:
The first step: need the position of full circle to process to section of jurisdiction;
Second step: install rounding device assembly, the projection between rounding device assembly and groove fasten, and are connected by pin, temporary fixed;
3rd step: spaced set fixed observer point on rounding device stiffening rib, displacement monitoring changes;
4th step: according to designing requirement, rounding device is installed precompression bringing device;
5th step: according to designing requirement, applies different pressure to precompression bringing device, and Real-Time Monitoring change in displacement situation;
6th step: according to monitoring result, when section of jurisdiction returns to the distortion of designing requirement, keeps precompression bringing device pressure;
7th step: to needing the position reinforced to carry out consolidation process, noting the deformation simultaneously will monitoring section of jurisdiction in reinforcing process, adjusting hydraulic jack hydraulic coupling at any time, makes section of jurisdiction keep stable;
8th step: after having reinforced, reaches after designing requirement intensity until ruggedized construction, removes rounding device structure.
9. the using method of tunnel duct piece rounding device as claimed in claim 8, is characterized in that, processing procedure in the described first step, comprises cleaning breaking concrete, dead-end fracture, carries out injecting treatment to cavity after wall.
10. the using method of tunnel duct piece rounding device as claimed in claim 8, it is characterized in that, the detailed process of described 4th step is, precompression bringing device is arranged on the rounding device stiffening rib of two adjacent rounding device assemblies, by the flexible shape controlling rounding device of precompression bringing device, and then by rounding device pushing tow section of jurisdiction inner surface, make the section of jurisdiction restoration designing requirement of distortion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086303.4A CN104675413B (en) | 2015-02-16 | 2015-02-16 | A kind of tunnel duct piece rounding device and its using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086303.4A CN104675413B (en) | 2015-02-16 | 2015-02-16 | A kind of tunnel duct piece rounding device and its using method |
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| Publication Number | Publication Date |
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| CN104675413A true CN104675413A (en) | 2015-06-03 |
| CN104675413B CN104675413B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510086303.4A Active CN104675413B (en) | 2015-02-16 | 2015-02-16 | A kind of tunnel duct piece rounding device and its using method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888689A (en) * | 2016-06-15 | 2016-08-24 | 中国铁建重工集团有限公司 | Tunnel segment shaping device for heading machine and heading machine |
| CN109695458A (en) * | 2019-01-16 | 2019-04-30 | 上海理工大学 | Utilize the tunnel lining structure crack over strait repair system of marmem |
| CN112814702A (en) * | 2021-01-06 | 2021-05-18 | 中国铁建重工集团股份有限公司 | Shield constructs machine and synchronous translation mechanism of whole circular ware of section of jurisdiction thereof |
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| JP2000257395A (en) * | 1999-03-05 | 2000-09-19 | Tamu Tec:Kk | Steel segment for tunnel lining and method for excavating shield type tunnel |
| CN201254992Y (en) * | 2008-08-29 | 2009-06-10 | 上海市城市建设设计研究院 | Whole round steel ring |
| CN201399889Y (en) * | 2009-04-29 | 2010-02-10 | 浙江双林塑料机械有限公司 | Semi-round support plate rounding machine of plastic tube vacuum cooling box |
| CN201795223U (en) * | 2010-03-12 | 2011-04-13 | 山东省水利科学研究院 | Internal repair expansion device for pipeline cracking |
| CN103924983A (en) * | 2014-04-16 | 2014-07-16 | 中铁第四勘察设计院集团有限公司 | Shear resisting structure between round concave-convex tenon type shield tunnel pipe segment rings |
| CN104226833A (en) * | 2013-06-09 | 2014-12-24 | 宝山钢铁股份有限公司 | On-line rounding method used during overall-length expanding of steel tube and expanding die |
| CN204492832U (en) * | 2015-02-16 | 2015-07-22 | 济南轨道交通集团有限公司 | A kind of tunnel duct piece rounding device |
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2015
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| JP2000257395A (en) * | 1999-03-05 | 2000-09-19 | Tamu Tec:Kk | Steel segment for tunnel lining and method for excavating shield type tunnel |
| CN201254992Y (en) * | 2008-08-29 | 2009-06-10 | 上海市城市建设设计研究院 | Whole round steel ring |
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| CN103924983A (en) * | 2014-04-16 | 2014-07-16 | 中铁第四勘察设计院集团有限公司 | Shear resisting structure between round concave-convex tenon type shield tunnel pipe segment rings |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888689A (en) * | 2016-06-15 | 2016-08-24 | 中国铁建重工集团有限公司 | Tunnel segment shaping device for heading machine and heading machine |
| CN105888689B (en) * | 2016-06-15 | 2019-05-28 | 中国铁建重工集团有限公司 | Tunnel duct piece apparatus for shaping and development machine for development machine |
| CN109695458A (en) * | 2019-01-16 | 2019-04-30 | 上海理工大学 | Utilize the tunnel lining structure crack over strait repair system of marmem |
| CN109695458B (en) * | 2019-01-16 | 2020-08-04 | 上海理工大学 | Cross-sea tunnel lining structure crack repair system using shape memory alloy |
| CN112814702A (en) * | 2021-01-06 | 2021-05-18 | 中国铁建重工集团股份有限公司 | Shield constructs machine and synchronous translation mechanism of whole circular ware of section of jurisdiction thereof |
| CN112814702B (en) * | 2021-01-06 | 2022-06-07 | 中国铁建重工集团股份有限公司 | Shield constructs machine and synchronous translation mechanism of whole circular ware of section of jurisdiction thereof |
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| Publication number | Publication date |
|---|---|
| CN104675413B (en) | 2017-03-08 |
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